Sometimes, they can do good: Nicki Minaj brought an important conversation about race in pop culture to the front lines this year. And sometimes people just deal with their issues by arguing about Instagram filters.

Iggy Azalea tweeted some shade at Britney Spears after their collboration, "Pretty Girls," flopped, blaming a lack of promotion.

"I dont have to suck the womans asshole 24/7 to be her friend," Azalea wrote.

Britney responded by saying that she was psyched for a year full of shows in what seemed to be a reference to Azalea's canceled tour. The use of the hashtag #YouWantAPieceofMe sealed the deal.

Image: JOHN SALANGSANG/Associated Press

Drake vs. Meek Mill

The Drake and Meek Mill beef was the year's most prolific, between the diss tracks, memes and it even ended in a Grammy nomination for Drake.

The public got wind of the saga when Mill accused Drake of not writing his own raps. Drake had previously worn a Free Meek Mill shirt and was featured on his album that came out just a month earlier. People speculated that Mill's relationship with Minaj was the source of the pair's tension.

Taylor Swift vs. Nicki Minaj

When Nicki Minaj tweeted her disappointment in the lack of diversity of the VMA nominees, Taylor Swift made the mistake of taking it personally. She tweeted back, accusing Minaj of pitting women against each other.

Eventually, the two hashed it out on the phone and Swift joined Minaj on stage to open up the awards show that started it all.

Image: Kevin Mazur

Katy Perry vs. Taylor Swift (Still.)

Katy Perry and Taylor Swift went from frenemies to full enemies back in 2104, and they're still going strong. Some feuds age like fine wines.

Katy Perry rolled her eyes at Swift's criticism of Minaj for pitting women against each other, because the "Bad Blood" muse felt Swift was being hypocritical. Despite the questionable wording of the tweet, Perry has a good point.

Miley Cyrus vs. Nicki Minaj

Miley Cyrus also took it upon herself to comment on Nicki Minaj's tweets about the VMAs in an interview with the New York Times, claiming that Minaj's comments were self-serving rather than commentary on racial injustice.

"What I read sounded very Nicki Minaj, which, if you know Nicki Minaj is not too kind. It’s not very polite," said Cyrus, who went on to explain how she prefers to act out of peace and love. Which is easy to say when you haven't actually been the victim of institutionalized racism.

While presenting at the awards show that Cyrus was hosting, Minaj said the now-famous trio of words: "Miley, what's good?"

At the time, many thought Minaj was kidding or that beef was scripted for ratings, but the rage was very real. Nicki later elaborated on the exchange in an interview, "Come on, you can’t want the good without the bad. If you want to enjoy our culture and our lifestyle, bond with us, dance with us, have fun with us, twerk with us, rap with us, then you should also want to know what affects us, what is bothering us, what we feel is unfair to us. You shouldn’t not want to know that."

"Iggy Azalea?" joked Erykah Badu at the BET Awards. "You can come, because what you're doing is definitely not rap ... in fact, I'm gonna send an Uber for you right now."

Azalea responded on Twitter, writing, "I came online today and saw its still cool to try and discredit my 2014 accomplishments."

Damon Albarn vs. Adele

An ill-fated collaboration between Blur's Damon Albarn and Adele ended up playing out in the press.

Albarn called Adele "insecure" and said what he had heard of 25 was, "very middle of the road."

Adele responded in an interview with Rolling Stone: “It ended up being one of those ‘don’t meet your idol’ moments,” she said. “And the saddest thing was that I was such a big Blur fan growing up. But it was sad, and I regret hanging out with him. None of it was right. None of it suited my record.”

Image: Taylor Hill/Sascha Steinbach

Lindsay Lohan vs. Jennifer Lawrence

Jennifer Lawrence invoked the wrath of the Lohan clan after she thew shade at Lindsay during an interview with Stephen Colbert.

"I'm a puker. I don't stop working because I am a show pony. I don't have a choice. So I just keep going until my body is like, 'If we don't make her barf or pass out, she won't stop,'" Lawrence joked. “I get like Lindsay Lohan–grade exhaustion, but without any drugs or alcohol. I’m always in bed early. I’m still tired.”

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